Pioneer PDP-502MXE - Pink(ish) staining at the top & bottom of picture...
Pioneer PDP-502MXE, 50 Inch Plasma Monitor
Problem: Approx 8 inches down from the top of the screen, a defined horizontal line appears, only noticeable on very bright scenes. Above this line, a pinkish staining is visible which varies in intensity with the brightness of the picture being displayed. On certain backgrounds, the staining can have a greenish hue. Within the past week, the same effect has been noticed happening approx 8 inches up from the bottom of the screen. Apart from this, overall picture quality is still excellent. Thank you.
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I checked on Pioneer's site and couldn't find literature for this model, but did find the product information sheet for a model PDP-614MX. It may be similar, but no promises. This model has no audio output available, but does accept several audio inputs. It shows speaker terminals on the bottom and claims a 9-watt output for each channel. Speakers that mounted on the sides were available as an option.
This monster was originally designed for professional use (stores and such) as strictly an output display device. Probably the best solution would be to use this to display the video, and run the audio output from the source (DVD, satellite receiver, etc.) to a separate amplifier to drive your speakers.
this problem lis the power supply board. be aware that pioneer pdp-502mxe has got 3 versions and all 3 power supply boards are different so before ordering a new or reconditioned one check the part number on the power board itself.
pioneer is not replacing the boards anymore.
check on ebay.co.uk
i did sold so many parts from this model.
It's hard to say without seeing a picture. Panasonic has a site with pictures of various Plasma symptoms and the board that will cause that problem. Go to:
Pictures of plasma symptoms
It will direct you to a PDF file.
It may not be your exact problem, but, it will show you which board will cause your problem.
Hope this helps.